What is the difference between Sync.com and Nextcloud?

Sync.com is best for Users wanting zero-knowledge encrypted storage, while Nextcloud is best for Organizations wanting self-hosted file storage and collaboration. Sync.com starts at Free and Nextcloud starts at Free.

Is Sync.com or Nextcloud cheaper?

Sync.com starts at Free with a free tier. Nextcloud starts at Free and is free.

Is there a free alternative to Nextcloud?

Both Sync.com and Nextcloud offer free tiers.

Sync.com vs Nextcloud

Sync.com is privacy-focused cloud storage with zero-knowledge encryption and generous free tier, while Nextcloud is open-source file hosting and collaboration platform with apps for docs, calendar, and more. Nextcloud is open source and can be self-hosted, giving you full control over your data. Sync.com is built for users wanting zero-knowledge encrypted storage, whereas Nextcloud targets organizations wanting self-hosted file storage and collaboration.

At a glance

	Sync.com	Nextcloud
Best for	Users wanting zero-knowledge encrypted storage	Organizations wanting self-hosted file storage and collaboration
Starting price	Free	Free
Free tier	✓	✓
Open source	—	✓
Free tier available	✓	✓
Open source	—	✓
Apps	—	✓
Collaboration	—	✓
E2E Encryption	✓	✓
File Sync	✓	—
Self-Hosted	—	✓
Sharing	✓	—
Zero Knowledge	✓	—

Sync.com

Strengths

Includes Zero Knowledge as a core feature, purpose-built for file storage workflows
End-to-end encryption by default — messages are unreadable even to the server operator
5 GB free — generous enough for most small teams to get real work done
Established product with 15+ years on the market and a mature ecosystem

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Syncing large folders can be slow and occasionally causes file conflicts
Limited team/admin features if your organization eventually scales up

Try Sync.com → Full review

Nextcloud

Strengths

Open source and transparent
Self-hosted deployment gives you full control over your data and infrastructure
Fully open-source — you can self-host, audit the code, and avoid vendor lock-in
The core product is free with no paywalled essentials

Weaknesses

May lack some advanced features
Self-hosting is free but requires server maintenance and DevOps knowledge
Self-hosting requires Linux admin skills and ongoing server maintenance
Syncing large folders can be slow and occasionally causes file conflicts

Try Nextcloud → Full review

The bottom line

Pricing: Both Sync.com and Nextcloud are free. You can try both without spending a dollar.

Feature gaps: Sync.com offers File Sync, Sharing and Zero Knowledge that Nextcloud lacks. Nextcloud brings Apps, Collaboration and Self-Hosted that Sync.com does not have. Both share E2E Encryption.

Team fit: Sync.com is geared toward individual users and small setups, while Nextcloud is aimed at any size teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Open source: Nextcloud is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Sync.com is proprietary — you are trusting the vendor with your data and uptime.

Where each tool shines: Sync.com's biggest strengths are: includes zero knowledge as a core feature, purpose-built for file storage workflows. end-to-end encryption by default — messages are unreadable even to the server operator. Nextcloud's biggest strengths are: open source and transparent. self-hosted deployment gives you full control over your data and infrastructure.

Watch out for: With Sync.com, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Nextcloud, the main complaint is that may lack some advanced features.

Choose Sync.com if...

You need a tool built for users wanting zero-knowledge encrypted storage
You specifically need File Sync and Sharing
You care about end-to-end encryption by default — messages are unreadable even to the server operator
Your team size fits the individuals profile Sync.com is designed for
The free tier works for you: 5 gb free

Choose Nextcloud if...

Your profile matches its sweet spot: organizations wanting self-hosted file storage and collaboration
You need self-hosting, data sovereignty, or the ability to audit source code
You specifically need Apps and Collaboration
You care about self-hosted deployment gives you full control over your data and infrastructure
Your team size fits the any size profile Nextcloud is designed for